CHTN of any cause with superimposed GHTN, preeclampsia, or eclampsia should be
suspected in women who were hypertensive before the 20th week of gestation and have
new-onset proteinuria (i.e., after the 20th week), women with HTN and proteinuria before
the 20th week of gestation, women with previously controlled HTN who have a sudden
increase in BP after the 20th week, and women with thrombocytopenia and elevated
hepatic enzymes